GeForce 7600GS, 512MB DDR2, PCI-E Product Description PNY Verto GeForce 7600 GS PCIe - graphics adapter - GF 7600 GS - 512 MBDevice Ty Enclosure Type Plug-in card Interface Type PCI Express x16 Graphics Processor / Vendor NVIDIA GeForce 7600 GS Core Clock Speed 400 MHz RAMDAC Clock Speed 400 MHz API Supported DirectX 9.0, OpenGL 2.0 Video Memory Installed ( Max ) 512 MB - DDR II SDRAM